import java.util.Scanner;
public class Example3_4{
  public static void main(String arg[]) {
    int number = 0;
    System.out.println("输入正整数（回车确定）");
    Scanner reader = new Scanner(System.in);
    number = reader.nextInt();
    switch(number) {
      case 9 :
      case 131 :
      case 12 : System.out.println(number+"是三等奖");
                break;
      case 209 :
      case 596 :
      case 27 : System.out.println(number+"是二等奖");
                break;
      case 875 :
      case 316 :
      case 59 : System.out.println(number+"是一等奖");
                break;
      default : System.out.println(number+"未中奖");
    }
  }
}
